With increase in the number of shell passes, the value of FT

Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Increases

Decreases

Remains same, only if the number of tube passes does not change

Remains same

Increases

Decreases

Remains same, only if the number of tube passes does not change

Remains same

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

5000

3000

10000

1000

5000

3000

10000

1000

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Process Equipment and Plant Design
Overall distillation column efficiency for most of the refinery columns can be given by (for μ = 0.07 - 1.4 cp and relative volatility < 4) (where η = overall column efficiency, % μ = molal average viscosity of feed at average column temperature and pressure, cp Δp = pressure drop per tray, psi)

Η = 17 - 61.1 log μ

Η = 24.6 (Δp/μ)

Η = 0.25 log μ - 1.67

Η = 1.66 - 0.25 log μ

Η = 17 - 61.1 log μ

Η = 24.6 (Δp/μ)

Η = 0.25 log μ - 1.67

Η = 1.66 - 0.25 log μ

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Process Equipment and Plant Design
Saddle supports are used for supporting __________ vessels.

Thick spherical

Horizontal cylinderical

Tall vertical

Thick walled vertical

Thick spherical

Horizontal cylinderical

Tall vertical

Thick walled vertical

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Process Equipment and Plant Design
In case of design of a shell and tube heat exchanger,

O.D. of the tube is 6 to 40 mm while the tube lengths used are 0.5, 2.5, 3.0, 4.0, 5.0, 6 metres

All of these

Minimum tube sheet thickness (in which tubes are fixed) is equal to the O.D. of the tube upto 15 mm tube diameter; and for > 15 mm tube diameter, tube sheet thickness is smaller than tube diameter

Minimum cleaning lane of 6.5 mm is provided, when tubes are on a square pitch

O.D. of the tube is 6 to 40 mm while the tube lengths used are 0.5, 2.5, 3.0, 4.0, 5.0, 6 metres

All of these

Minimum tube sheet thickness (in which tubes are fixed) is equal to the O.D. of the tube upto 15 mm tube diameter; and for > 15 mm tube diameter, tube sheet thickness is smaller than tube diameter

Minimum cleaning lane of 6.5 mm is provided, when tubes are on a square pitch

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Process Equipment and Plant Design
For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

(d1 + d2)/d1

D2/(d1 + d2)

D1/(d1 + d2)

(d1 + d2)/d2

(d1 + d2)/d1

D2/(d1 + d2)

D1/(d1 + d2)

(d1 + d2)/d2

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Process Equipment and Plant Design

Process Equipment and Plant Design With increase in the number of shell passes, the value of FT

Process Equipment and Plant Design In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

Process Equipment and Plant Design Saddle supports are used for supporting __________ vessels.

Process Equipment and Plant Design In case of design of a shell and tube heat exchanger,

Process Equipment and Plant Design For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the effect of L/D on inside film heat transfer co-efficient (hi) vanishes after a Reynold number of

Process Equipment and Plant Design
Saddle supports are used for supporting __________ vessels.

Process Equipment and Plant Design
In case of design of a shell and tube heat exchanger,

Process Equipment and Plant Design
For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is